What powers v21-a.com?
Last seen Aug 2026 · 9 technologies across 7 categories
Analytics
51.LA
since Jul 2026
Cloudflare Browser Insights
since Jul 2026
CDN
Cloudflare
since Jul 2026
CMS
WordPress
since Jul 2026
Databases
MySQL
since Jul 2026
Miscellaneous
HTTP/3
since Jul 2026
Open Graph
since Jul 2026
Performance
Priority Hints
since Jul 2026
Programming languages
PHP
since Jul 2026
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Indonesia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.82 / 10 · ranked #15,971,360 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 225 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Indonesian
- CDN: Cloudflare
- Weight: 1.5 MB · 25 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Aug 2026.